jsoniter-scala
requests-scala
jsoniter-scala | requests-scala | |
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29 | 4 | |
707 | 696 | |
- | 0.1% | |
9.6 | 4.5 | |
1 day ago | 29 days ago | |
Scala | Scala | |
MIT License | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
jsoniter-scala
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1BRC Merykitty's Magic SWAR: 8 Lines of Code Explained in 3k Words
What an amazing step by step explanation!
More than 2 years ago I found that byte array view var handles are quite suitable to cook efficient SWAR routines with Java/Scala.
See a lot of other examples of SWAR usage, like parsing Base16/64 string, java.time.* and number values directly from byte arrays:
https://github.com/plokhotnyuk/jsoniter-scala/blob/master/js...
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The Newest Java Json Benchmark Results just dropped
Afaik dsl-json came up with a lot of improvements and inspired a several other libraries like JsonIter and jsonIter-scala. Jsoniter-scala by u/plokhotnyuk is probably the most optimized JSON library on the JVM at this point, and seems to power most of the Scala ecosystem. Some implementations/optimizations eventually made their way back into Jackson and other libraries.
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Please try my JSON library
I was on your place more then 5 years ago, when cut the 1st release of jsoniter-scala.
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Post your problems with Scala 3/2.13 compiler performance!
I've just increased compiler performance in ~1.5x times by adding these JVM options for the code cache
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smithy-translate : a CLI tool to turn openapi specs and json-schema specs into smithy specs, written in Scala
We have our own open-source code-generator that produces Scala code from Smithy. The code module is entirely dependency-free, and the generated code is not biased towards any library, be that http or json. We do however have out-of-the-box integration with jsoniter and http4s.
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Why does Scala seem to be slow at benchmark results?
You can use jsoniter-scala. It is easy to use like upickle.
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Scala needs *highly* efficient libraries to survive in a multi-core age
BTW, jsoniter-scala uses it for faster parsing and serialization using SWAR techniques, like here.
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Using Circe with GADT
Probably you should have both codecs (for Foo and for its T) are implicitly available in the scope, like it is done in the following test for jsoniter-scala:
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Starting with scala
BEWARE: uJson is vulnerable under DoS attacks
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Is Scala a good choice for a data intensive web backend?
Please see sources (and GitHub history of development) of jsoniter-scala as an example in the domain of JSON parsing and serialization.
requests-scala
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Scala opensource projects
There's the Li Haoyi's ecosystem of tools and libraries that's fun to hack on, has a low entry-bar (with a design philosophy of using the least complex abstractions for the job), and has few libs like requests and cask that may appeal to those liking some python minimalism. That's not the fastest way to learn hardcore FP, that's not the worst either.
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Scala Toolkit makes Scala powerful straight out of the box
Another thing that caught my attention is the choice for HTTP client. If the authors wanted to go with the simplest thing, they could have picked requests-scala (from the com-lihaoyi family of libraries). If they wanted to go with full blown Scala FP, they could have chosen http4s client (Ember). Sttp awkwardly sits in the middle being neither.
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Scala vs Java/C# code examples
Finally, to give you an example of how simple Scala can be when you get rid of all the fancy stuff, take a look at the examples in Li Haoyi's requests-scala library, a port of the excellent requests Python library. I challenge anyone to call that code complex.
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Every time I sit down to use an HTTP client and JSON parser, I get really frustrated
http4s (either with Blaze or Ember) is great, but you may need to think a bit about what you're doing. Maybe https://github.com/com-lihaoyi/requests-scala will be the best choice for your particular situation?
What are some alternatives?
circe - Yet another JSON library for Scala
Akka HTTP - The Streaming-first HTTP server/module of Akka
json4s - JSON library
Finch.io - Scala combinator library for building Finagle HTTP services
DSL-JSON - High performance JVM JSON library
jefe - Manages installation, updating, downloading, launching, error reporting, and more for your application.
jackson-module-scala - Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes
Http4s - A minimal, idiomatic Scala interface for HTTP
Play JSON - The Play JSON library
Spray - A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable
spray-json - A lightweight, clean and simple JSON implementation in Scala
sttp - The Scala HTTP client you always wanted!